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Can-Vet Barn and Dairy Fly Shield (Canada)

This page contains information on Can-Vet Barn and Dairy Fly Shield for veterinary use.
The information provided typically includes the following:
  • Can-Vet Barn and Dairy Fly Shield Indications
  • Warnings and cautions for Can-Vet Barn and Dairy Fly Shield
  • Direction and dosage information for Can-Vet Barn and Dairy Fly Shield

Can-Vet Barn and Dairy Fly Shield

This treatment applies to the following species:
Company: Can-Vet



Read the label before using




Piperonyl Butoxide


Ready to Use


Registration No. 24159 Pest Control Products Act



This product may be used in farm buildings and on livestock. Kills on contact: mosquitoes, wasps, hornets, spiders, ants, crickets, house flies, face flies, stable flies, horn files, horse flies and sucking lice.

Directions For Use

For maximum effectiveness, a combination of surface spot treatment and fogging is recommended.


Farm Buildings: (dairy barns, milk rooms, beef barns, horse stable, swine housing). For rapid control of listed flies, mosquitoes, spiders, ants cockroaches, apply using a good space sprayer (Fogger) adjusted to deliver a fine mist such as a Fogmaster or U.L.V. equipment which dispenses a fine mist with droplets 15 - 25 microns in diameter. All animals must be removed from barn/buildings before fogging. Close windows, doors and shut off ventilation system and sources of ignition. Wear mask or respirator and protective clothing. Direct spray upwards to fill the room with a fine mist. Use a rate of 200-300 mL per 100 cubic metres. Leave the room closed for 15 minutes before ventilating. Do not use in dwellings. Ventilate and keep animals out of sprayed areas for at least 30 minutes after treatment. Spray only when temperature is under 32°C. Do not use in milking parlour areas.

Livestock: Spray on Beef, Dairy Cattle and Swine: for horse flies, horn flies, mosquitoes and stable flies, apply up to 30 mL per animal using sprayer which produces a fine mist. Cover the entire animal without making the hair wet. Do not spray in eyes or mouth. Do not treat more that once a day. Treat dairy cattle before milking, but do not spray directly on udder. Wash udder before milking.

To Control Blood Sucking Lice on Cattle: Apply to the infested areas of the animal, using a stiff brush to get the spray to the base of the hair. Repeat as necessary but not more than once a day. CAUTION: If irritation appears, discontinue usage.

PRECAUTIONS: KEEP OUT OF REACH OF CHILDREN. Harmful if swallowed, inhaled or absorbed through skin. Avoid contact with skin, eyes and clothing. Wash thoroughly with soap and water after handling and before eating or smoking. Do not breathe spray mist. If irritation appears, discontinue usage. Wash contaminated clothing before reuse. Do not contaminate feed, food or water. Store in original container away from feed and food after use. Do not contaminate feed, food or water. Use only when milk room is NOT in operation. Cover or remove all milk and milking implements before spraying. After spraying, wash all surfaces that may contact milk and rinse thoroughly with potable water before resuming operations.


Do not reuse this container for any purpose. This is a recyclable container, and is to be disposed of at a container collection site. Contact your local distributor/dealer or municipality for the location of the nearest collection site. Before taking the container to the collection site: 1. Triple- or pressure-rinse the empty container. Add the rinsing to the spray mixture in the tank. 2. Make the empty, rinsed container unsuitable for further use. If there is no container collection site in your area, dispose of the container in accordance with provincial requirements accordance with provincial requirements. For information on disposal of unused, unwanted product, contact the manufacturer or the provincial regulatory agency. Contact the manufacturer and the provincial regulatory agency in case of a spill, and for clean-up of spills.

FIRST AID: If on skin, wash thoroughly with soap and water. If in eyes, flush with clear water for 15 minutes; get medical attention.

Product Contains Petroleum Distillate. If swallowed DO NOT induce vomiting. Call physician immediately or Poison Control Centre. Take container, label or product name and Pest Control Product Registration Number with you when seeking medical attention.

TOXICOLOGICAL INFORMATION: Treat symptomatically. This product contains a petroleum distillate.

NOTICE TO BUYER: Seller’s Guarantee Shall be limited to the terms set out on the label, and subject thereto, the buyer assumes the risk to persons or property arising from the use or handling of this product and accepts the product on that condition.

NOTICE TO USER: This control product is to be used only in accordance with the directions on the label. It is an offence under the Pest Control Products Act to use a control product under unsafe conditions.

ENVIRONMENTAL HAZARDS: This product is toxic to fish, birds and other wildlife. DO NOT contaminate irrigation/drinking water supplies or aquatic habitats by cleaning of equipment or disposal of wastes. Apply this product only as specified on the label.

Contents: 4L, 10L, 20L

Can-Vet Animal Health Supplies Ltd., 4-61 Malcolm Rd., Guelph, ON N1K 1A7


CPN: 1735001.0

Telephone:   519-822-5333
Toll-Free:   800-265-9754
Fax:   519-822-3326
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Copyright © 2023 Animalytix LLC. Updated: 2023-02-28